android - Orders of objects in LinearLayout -
i have linearlayout works fine shown code below, change order of linear layouts.
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:paddingbottom="@dimen/activity_vertical_margin" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin" android:paddingtop="@dimen/activity_vertical_margin" android:weightsum="100" tools:context=".quicknotefragment" > <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:paddingbottom="5dp" > <com.rithbo.noter.clearableedittext android:id="@+id/pn_et_title" android:layout_width="fill_parent" android:layout_height="wrap_content" android:drawableright="@drawable/delete" android:hint="@string/qn_et_title_hint" android:inputtype="textcapsentences|textmultiline" android:paddingtop="5dp" /> </linearlayout> <com.rithbo.noter.clearableedittext android:id="@+id/pn_et_body" android:layout_width="fill_parent" android:layout_height="wrap_content" android:drawableright="@drawable/delete" android:hint="@string/qn_et_body_hint" android:inputtype="textcapsentences|textmultiline" /> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:paddingbottom="5dp" android:weightsum="100" > <checkbox android:id="@+id/pn_cb_ongoing" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="99" android:text="@string/qn_cb_ongoing" /> <button android:id="@+id/pn_b_create" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="@string/qn_b_create" /> </linearlayout> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:orientation="horizontal" android:paddingbottom="5dp" android:paddingtop="10dp" > <button android:id="@+id/pn_b_getpic" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/pn_b_getpic" /> <button android:id="@+id/pn_b_takepic" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/pn_b_takepic" /> </linearlayout> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:orientation="vertical" android:paddingbottom="5dp" android:paddingtop="10dp" > <textview android:id="@+id/pn_tv_preview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:text="@string/pn_tv_preview" /> <imageview android:id="@+id/pn_iv_preview" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:src="@drawable/gallery_icon" /> </linearlayout> </linearlayout> but when move layout checkbox , button bottom, app force closes.
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" android:paddingbottom="@dimen/activity_vertical_margin" android:paddingleft="@dimen/activity_horizontal_margin" android:paddingright="@dimen/activity_horizontal_margin" android:paddingtop="@dimen/activity_vertical_margin" android:weightsum="100" tools:context=".frag1" > <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:paddingbottom="5dp" > <com.xxx.xxx.clearableedittext android:id="@+id/pn_et_title" android:layout_width="fill_parent" android:layout_height="wrap_content" android:drawableright="@drawable/delete" android:hint="@string/qn_et_title_hint" android:inputtype="textcapsentences|textmultiline" android:paddingtop="5dp" /> </linearlayout> <com.xxx.xxx.clearableedittext android:id="@+id/pn_et_body" android:layout_width="fill_parent" android:layout_height="wrap_content" android:drawableright="@drawable/delete" android:hint="@string/qn_et_body_hint" android:inputtype="textcapsentences|textmultiline" /> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:orientation="horizontal" android:paddingbottom="5dp" android:paddingtop="10dp" > <button android:id="@+id/pn_b_getpic" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/pn_b_getpic" /> <button android:id="@+id/pn_b_takepic" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/pn_b_takepic" /> </linearlayout> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center" android:orientation="vertical" android:paddingbottom="5dp" android:paddingtop="10dp" > <textview android:id="@+id/pn_tv_preview" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:text="@string/pn_tv_preview" /> <imageview android:id="@+id/pn_iv_preview" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center" android:src="@drawable/gallery_icon" /> </linearlayout> <linearlayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:paddingbottom="5dp" android:weightsum="100" > <checkbox android:id="@+id/pn_cb_ongoing" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="99" android:text="@string/qn_cb_ongoing" /> <button android:id="@+id/pn_b_create" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="@string/qn_b_create" /> </linearlayout> </linearlayout> i have no idea why?
here logcat:
07-17 16:32:08.886: e/androidruntime(19192): fatal exception: main 07-17 16:32:08.886: e/androidruntime(19192): java.lang.classcastexception: android.widget.textview cannot cast android.widget.button 07-17 16:32:08.886: e/androidruntime(19192): @ com.rithbo.noter.picnotefragment.oncreateview(picnotefragment.java:75) 07-17 16:32:08.886: e/androidruntime(19192): @ android.support.v4.app.fragment.performcreateview(fragment.java:1470) 07-17 16:32:08.886: e/androidruntime(19192): @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:925) 07-17 16:32:08.886: e/androidruntime(19192): @ android.support.v4.app.fragmentmanagerimpl.movetostate(fragmentmanager.java:1102) 07-17 16:32:08.886: e/androidruntime(19192): @ android.support.v4.app.backstackrecord.run(backstackrecord.java:682) 07-17 16:32:08.886: e/androidruntime(19192): @ android.support.v4.app.fragmentmanagerimpl.execpendingactions(fragmentmanager.java:1458) 07-17 16:32:08.886: e/androidruntime(19192): @ android.support.v4.app.fragmentmanagerimpl$1.run(fragmentmanager.java:438) 07-17 16:32:08.886: e/androidruntime(19192): @ android.os.handler.handlecallback(handler.java:725) 07-17 16:32:08.886: e/androidruntime(19192): @ android.os.handler.dispatchmessage(handler.java:92) 07-17 16:32:08.886: e/androidruntime(19192): @ android.os.looper.loop(looper.java:137) 07-17 16:32:08.886: e/androidruntime(19192): @ android.app.activitythread.main(activitythread.java:5222) 07-17 16:32:08.886: e/androidruntime(19192): @ java.lang.reflect.method.invokenative(native method) 07-17 16:32:08.886: e/androidruntime(19192): @ java.lang.reflect.method.invoke(method.java:511) 07-17 16:32:08.886: e/androidruntime(19192): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:795) 07-17 16:32:08.886: e/androidruntime(19192): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:562) 07-17 16:32:08.886: e/androidruntime(19192): @ dalvik.system.nativestart.main(native method) here oncreateview() fragment:
@override public view oncreateview(layoutinflater inflater, viewgroup container, bundle savedinstancestate) { view rootview = inflater.inflate(r.layout.pic_note, container, false); mimagebitmap = null; b_create = (button) rootview.findviewbyid(r.id.pn_b_create); b_gallery = (button) rootview.findviewbyid(r.id.pn_b_getpic); b_camera = (button) rootview.findviewbyid(r.id.pn_b_takepic); et_body = (edittext) rootview.findviewbyid(r.id.pn_et_body); cb_ongoing = (checkbox) rootview.findviewbyid(r.id.pn_cb_ongoing); et_title = (edittext) rootview.findviewbyid(r.id.pn_et_title); et_title.requestfocus(); s_ticker_text = getstring(r.string.ticker_text); s_subtext = getstring(r.string.sub_text); s_toasttitletext = getstring(r.string.toast_missing_title); b_create.setonclicklistener(this); cb_ongoing.setonclicklistener(this); b_gallery.setonclicklistener(this); b_camera.setonclicklistener(this); cb_ongoing.setchecked(false); boolean_ongoing = false; iv_preview = (imageview) rootview.findviewbyid(r.id.pn_iv_preview); iv_preview.setimagebitmap(null); iv_preview.setclickable(true); iv_preview.setonclicklistener(this); return rootview; } thank you
edit: true fix... clean , rebuild , try launching app again
based on stack trace:
android.widget.textview cannot cast android.widget.button
at
com.rithbo.noter.picnotefragment.oncreateview(picnotefragment.java:75)
take @ picnotefragment class, line 75. or post code oncreateview() , can help.
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